读“俄罗斯地形与矿产分布图”,完成下列各题.
School violence ______ much attention of the whole society and people are calling on the government to make laws against it as early as possible.
赤道周长约为40 000千米,在一幅地图上,量得赤道的图上距离为200厘米,则该图的比例尺是 ( )